Heat 6
mardi 11 décembre 2018, 04h49 GMT – 04h49 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Emily Seebohm | Australia | 57.08″ |
| 2 |  Minna Atherton | Australia | + 0.09″ |
| 3 | Georgia Davies | Great Britain | + 0.16″ |
| 4 | Yuanhui Fu | China | + 0.58″ |
| 5 | Daria K Ustinova | Russia | + 1.13″ |
| 6 |  Etiene Medeiros | Brazil | + 1.54″ |
| 7 | Jenny Mensing | Germany | + 2″ |
| 8 | Ekaterina Avramova | Turkey | + 2.18″ |
| 9 |  Jie Chen | China | + 2.28″ |
| 10 | Paige Flynn | New Zealand | + 3.81″ |